Watch The Legacy of Sherwood (2009) : Full Movie Online Free Prince John was enraged, and used his time in prison to devise a plan to get his revenge. Convincing the king's son (Richard II) into letting him out, he soon assassinated the king, betrayed Richard II, and imprisoned Robin Hood. Learning of Robin Hood's imprisonment, a new band of Merry Men with Little John as their leader must once again overthrow Prince John an return peace to Nottingham.